The loop resistance tester is designed by combining high-frequency switching power supply technology and digital circuit technology. It is suitable for measuring the loop resistance of switch control equipment. The test current adopts DC 100A and 200A recommended by national standards. The loop resistance can be directly measured at a current of 100A or the loop resistance can be directly measured at a current of 200A. The final test results are all displayed in numbers.
skills:
â’ˆ Loop resistance tester is connected according to four-terminal connection method.
â’‰ Turn on the power of the loop resistance tester.
â’Š The loop resistance tester can press the measurement key (for example, after the current display A value is less than 100A, it can be corrected by the panel current fine-tuning).
â’‹ After measuring the displayed value, you need to save the data.
⒌ After measuring, please turn off the power.
â’ Please take care of the test pliers.
Where to apply for Yangzhou Chengcheng Decoration Test (application)
Serial number
Machine equipment name
unit
Quantity
specification
One
High voltage generating equipment
1
DC voltage generator
set
1
DC:
2
Power frequency withstand voltage test device
set
1
AC: 5kVA/50kV
3
Frequency conversion series resonance test set
set
1
75kVA/75kV/lA 30?300HZ
two
Electrical measuring instruments
1
Loop resistance tester
station
1
DC: ^100A
2
Three-phase relay protection tester
station
1
Two groups of three-phase voltage and current
3
Transformer volt-ampere characteristic tester
station
1
500V/5A
4
Ground Resistance Tester
station
1
5
Transformer DC resistance tester
station
1
DC: 10A more
6
Transformer ratio tester
station
1 .
Digital level 0.5
7
Circuit breaker characteristic tester
station
1
three
Commonly used instruments
1
Megohmmeter
only
1
DC: 2500V
2
Megohmmeter
only
1
DC: 500V
3
Digital double clamp phase voltammeter
only
1
Measuring current 1mA? 5A
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